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How to Generate unique file names in C#
...sn't matter, use GUIDs.
E.g.:
var myUniqueFileName = string.Format(@"{0}.txt", Guid.NewGuid());
or shorter:
var myUniqueFileName = $@"{Guid.NewGuid()}.txt";
In my programs, I sometimes try e.g. 10 times to generate a readable name ("Image1.png"…"Image10.png") and if that fails (because the ...
Looking for a 'cmake clean' command to clear up CMake output
...ough directories removing files like cmake_install.cmake and CMakeCache.txt , and the CMakeFiles folders.
21 Answers
...
What is your single most favorite command-line trick using Bash? [closed]
...
rename
Example:
$ ls
this_has_text_to_find_1.txt
this_has_text_to_find_2.txt
this_has_text_to_find_3.txt
this_has_text_to_find_4.txt
$ rename 's/text_to_find/been_renamed/' *.txt
$ ls
this_has_been_renamed_1.txt
this_has_been_renamed_2.txt
this_has_been_renamed_3.txt
t...
How to test if string exists in file with Bash?
...
grep -Fxq "$FILENAME" my_list.txt
The exit status is 0 (true) if the name was found, 1 (false) if not, so:
if grep -Fxq "$FILENAME" my_list.txt
then
# code if found
else
# code if not found
fi
Explanation
Here are the relevant sections of the ma...
git stash -> merge stashed change with current changes
... test-repo && cd test-repo && git init
echo test > test.txt
git add test.txt && git commit -m "Initial version"
# here's the interesting part:
# make a local change and stash it:
echo test2 > test.txt
git stash
# make a different local change:
echo test3 > test.tx...
VIP会员中心 · App Inventor 2 中文网，少儿编程陪伴者
...帮助”菜单 -> AI伴侣信息，直接手机扫码安装到手机 或 下载AI伴侣到电脑并拖动到商业模拟器安装。 注：手机和电脑必须在同一局域网内，原理是电脑端启动WEB服务器，手机AI伴侣与WEB通信；电脑连手机热...
How to delete a file or folder?
...Python syntax to delete a file
import os
os.remove("/tmp/<file_name>.txt")
Or
import os
os.unlink("/tmp/<file_name>.txt")
Or
pathlib Library for Python version >= 3.4
file_to_rem = pathlib.Path("/tmp/<file_name>.txt")
file_to_rem.unlink()
Path.unlink(missing_ok=False)
Unlink ...
Execute bash script from URL
Say I have a file at the URL "http://mywebsite.com/myscript.txt" that contains a script:
14 Answers
...
When to wrap quotes around a shell variable?
... the literal single-quoted string.)
Wildcard expansion:
$ pattern='file*.txt'
$ ls $pattern
file1.txt file_other.txt
By contrast:
$ ls "$pattern"
ls: cannot access file*.txt: No such file or directory
(There is no file named literally file*.txt.)
$ ls '$pattern'
ls: cannot access $patte...
How to get process ID of background process?
...ses you if foo happens to be multiple piped commands (eg. tail -f somefile.txt | grep sometext). In such cases, you will get the PID of the grep command from $! rather than the tail command if that's what you were looking for. You will need to use jobs or ps or the likes in this instance.
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